HDRSZ
if (spc->spc_off-HDRSZ != sizeof(*rfp)) {
rw->rw_dlen = (size_t)(spc->spc_off - HDRSZ);
if (spc->spc_off < HDRSZ) {
left = HDRSZ - spc->spc_off;
if (spc->spc_off < HDRSZ) {
if (framelen < HDRSZ) {
} else if (framelen == HDRSZ) {
spc->spc_buf = malloc(framelen - HDRSZ + 1);
memset(spc->spc_buf, 0, framelen - HDRSZ + 1);
n = host_read(fd, spc->spc_buf + (spc->spc_off - HDRSZ), left);